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A team at North Carolina State University created a soft robot that swims at 6.8 body lengths per second, nearly doubling their previous record. The robot features manta ray-inspired fins attached to a flexible body with an air chamber, allowing it to swim on the surface and underwater by mimicking manta ray movements. This advancement in soft robotics demonstrates improved speed, energy efficiency, and maneuverability, paving the way for potential applications in underwater exploration and payload transportation. (North Carolina State University)